package com.itheima.mapper;


import com.itheima.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {

    /**
     * 查询全部部门
     */

    //方式一：手动结果映射
//    @Results({
//            @Result(column = "create_time", property = "createTime"),
//            @Result(column = "update_time", property = "updateTime")
//    })

    //方式二:起别名
    @Select("select * from dept")
    public List<Dept> list();


    @Delete("delete from dept where id = #{id}")
    public void delete(Integer id);

    /**
     * 新增部门
     */
    @Insert("insert into dept (name,create_time,update_time) values(#{name},#{createTime},#{updateTime}) ")
    void insert(Dept dept);


    /**
     *
     * 根据ID查询部门
     */
    @Select("select * from dept where id = #{id}")
    Dept selectById(Integer id);



    /**
     *
     * 根据ID修改部门数据
     */
//    @Update("update dept set name = #{name}, update_time = #{updateTime} where id = #{id}")
    void update(Dept dept);


}
